Amazfit Arc vs. Casio WSD-F20A vs. Apple Watch 7 vs. Apple Watch 8 vs. Apple Series 6

 
Arc
WSD-F20A
Watch 7
Watch 8
Series 6
 AmazfitArcRemove Buy NowCasioWSD-F20ARemove Buy NowAppleWatch 7Remove Buy NowAppleWatch 8Remove Buy NowAppleSeries 6Remove Buy Now

Basic Info

Suggested Price$69.99$399$429$499$399
Release20162018202120222020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration20 days1 day18 Hours18 hrsNot yet
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution72 x40320 x 320396 x 484340 x 272 or 390 x 312384 x 480
Size0.42 inches1.32 inches1.9 inches1.5 inches or 1.65 inches40mm
Touch
TypeOLEDLCDMicroLEDAMOLEDMicroLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor5 ATM
Water ResistanceIP675 ATMwater resistant but not waterproof5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSWatchOS 8WatchOS 9WatchOS 5
Apps
Music

All Wearables